Proto-IE: *lewǝk-
Meaning: to look
Tokharian: B lk-, lyk `sehen'
Old Indian: lokate, locate `to see, perceive', locana- n. `eye'
Old Greek: léu̯ssō `(klar) sehen, schauen, betrachten'
Celtic: *luk- > Cymr am-lwg, cyf-lwg, eg-lwg `conspicuus', go-lwg `Sehen, Gesicht'
Russ. meaning: смотреть
References: WP II 408 f
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